Fat Gripz Extreme (2.75" Outer Diameter)
- ... - that using a thicker diameter bar causes much greater muscle activation in the arms which leads to incredible size and strength gains.
- TRAIN LIKE THE BEST - Fat Gripz are used by many: Professional football players, champion bodybuilders, Special Forces soldiers and MMA fighters. Click on the video (in the photo slide show on the left of this page) to see Fat Gripz in action.